canaliculus - a small canal or duct as in some bones and parts of plants

duct, epithelial duct, canal, channel - a bodily passage or tube lined with epithelial cells and conveying a secretion or other substance; "the tear duct was obstructed"; "the alimentary canal"; "poison is released through a channel in the snake's fangs"

A polyclonal antibody directed against carcinoembryonic antigen (Quartett, Berlin, Germany) (which cross-reacts with biliary glycoprotein 1) stained bile canaliculi formed by hepatocytes, the surface of the biliary epithelium of portal tracts and BDH, as well as the cytoplasm and membranes of scattered tumor cells.

Preclinical studies suggest that serum aminotransferase elevations induced by bosentan and chemically-related compounds may be due to their direct competition with bile salts for active transport across the hepatocyte membrane into the bile canaliculi.

When applied to properly functioning hepatic cells, B-CLEAR opens the bile pockets (analogous to bile canaliculi in vivo), allowing material that has been transported from inside the cell into the bile pocket to be measured.

45-47) If no staining of the cotton tip is observed (negative result) this indicates lacrimal pump failure such as stenosis of the puncta or canaliculi as no tear fluid entered the nasolacrimal sac prior to syringing.

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